CN217931713U - Momentum wheel with encoder - Google Patents
Momentum wheel with encoder Download PDFInfo
- Publication number
- CN217931713U CN217931713U CN202221517436.4U CN202221517436U CN217931713U CN 217931713 U CN217931713 U CN 217931713U CN 202221517436 U CN202221517436 U CN 202221517436U CN 217931713 U CN217931713 U CN 217931713U
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- Prior art keywords
- reading head
- momentum wheel
- encoder
- fixing base
- magnet steel
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000004584 weight gain Effects 0.000 abstract 1
- 235000019786 weight gain Nutrition 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a take momentum wheel of encoder, which comprises a housin, the bearing unit is installed to the inside bottom of casing, bearing unit inner circle is connected with the rotation axis, the rotation axis upper end is provided with the magnet steel fixing base, the bearing unit outer lane is provided with DC brushless motor, magnet steel fixing base upper end is provided with the magnet steel that tests the speed, the magnet steel upside that tests the speed is provided with the first fixing base of reading, the first fixing base lower extreme of reading is provided with the magnetic encoder reading head, the overhead reading head lead-out wire that is connected with of magnetic encoder reading, the casing upper end is provided with the apron. The utility model discloses an optimize momentum wheel structure, add magnetic encoder, under the very little condition of volume and weight gain, improved the accuracy of testing the speed of momentum wheel, and magnetic encoder simple to operate, the installation accuracy requires lowly, is convenient for install and simplifies the debugging process.
Description
Technical Field
The utility model relates to a momentum wheel field especially relates to a take momentum wheel of encoder.
Background
The momentum wheel is composed of a bearing assembly, a flywheel body, a direct current brushless motor and the like. The motor commutation and the rotating speed control of the momentum wheel are generally completed by adopting Hall elements or photoelectric code discs. The momentum wheel adopting the Hall elements is mainly used for outputting high-low level pulse signals by monitoring the change of the polarity of the magnetic steel of the motor, but the momentum wheel adopting the Hall elements is limited by the Hall number and the magnetic steel number, the number of the signals output by the Hall element is small when the momentum wheel rotates for one circle, so that the rotating speed precision of the momentum wheel adopting the Hall elements is low, and particularly the rotating speed is difficult to stabilize at low speed. The grating disk is arranged on a bearing seat of a rotating shaft by adopting a momentum wheel of a photoelectric encoder, and the purpose of collecting the rotating speed is fulfilled by collecting the scribed lines of the grating disk through a reading head and a receiver. Because the photoelectric encoder comprises a plurality of components including a light source, a reading head, a grating disc, a processing circuit and the like, the photoelectric encoder is large in size, occupies a large proportion of the momentum wheel in space and weight, and is not suitable for being installed and used in the momentum wheel with small angular momentum.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a momentum wheel with an encoder for solving the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a take momentum wheel of encoder, includes the casing, the bearing unit is installed to the inside bottom of casing, bearing unit inner circle is connected with the rotation axis, the rotation axis upper end is provided with the magnet steel fixing base, the bearing unit outer lane is provided with DC brushless motor, magnet steel fixing base upper end is provided with the magnet steel that tests the speed, the magnet steel upside that tests the speed is provided with the first fixing base of reading, the first fixing base lower extreme of reading is provided with the magnetic encoder reading head, be connected with the first lead-out wire of reading on the magnetic encoder reading head, the casing upper end is provided with the apron.
Further setting: the bearing unit is an inner ring rotating bearing, and an outer ring of the bearing unit is connected with the shell through screws.
Further setting: the magnetic steel fixing seat is coincided with the center of the rotating shaft, and the speed measuring magnetic steel is embedded in the center of the magnetic steel fixing seat.
Further setting: the reading head fixing seat corresponds to the upper center and the lower center of the speed measuring magnetic steel.
Further setting: and the leading-out wire of the reading head is welded with the reading head of the magnetic encoder.
Compared with the prior art, the beneficial effects of the utility model are as follows:
through optimizing momentum wheel structure, add the magnetic encoder, under the condition that volume and weight increase are few, improved the accuracy of testing the speed of momentum wheel, and magnetic encoder simple to operate, the installation accuracy requires lowly, is convenient for install and simplifies the debugging process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is an isometric view of a momentum wheel with an encoder according to the present invention;
fig. 2 is a schematic structural diagram of a momentum wheel with an encoder according to the present invention;
FIG. 3 isbase:Sub>A schematic sectional view A-A of FIG. 2;
fig. 4 is a schematic view of a partial structure of a magnetic encoder with a momentum wheel of the encoder according to the present invention.
The reference numerals are explained below:
1. a housing; 2. a bearing unit; 3. a rotating shaft; 4. a DC brushless motor; 5. a magnetic steel fixing seat; 6. speed measuring magnetic steel; 7. a reading head fixing seat; 8. a magnetic encoder read head; 9. a reading head lead-out wire; 10. and (7) a cover plate.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-4, a momentum wheel with an encoder, including casing 1, bearing unit 2 is installed at the bottom inside casing 1, rotate rotation shaft 3 and support, bearing unit 2 inner circle is connected with rotation shaft 3, 3 upper ends of rotation shaft are provided with magnet steel fixing base 5, 2 outer circles of bearing unit are provided with dc brushless motor 4, 5 upper ends of magnet steel fixing base are provided with speed measurement magnet steel 6, 6 upside of speed measurement magnet steel is provided with reading head fixing base 7, 7 lower ends of reading head fixing base are provided with magnetic encoder reading head 8, be connected with reading head outgoing line 9 on the magnetic encoder reading head 8, be used for leading out reading data, 1 upper end is provided with apron 10.
In this embodiment: bearing unit 2 is inner circle rotating bearing, and 2 outer lane of bearing unit and 1 screwed connection of casing, magnet steel fixing base 5 and the 3 central coincidences of rotation axis, and the magnet steel 6 that tests the speed is embedded at magnet steel fixing base 5 center, and the reading head fixing base 7 corresponds with the upper and lower center of magnet steel 6 that tests the speed, and reading head lead-out wire 9 and magnetic encoder reading head 8 welding.
The utility model discloses theory of operation and use flow: install magnet steel fixing base 5 in 3 upper ends of rotation axis, the magnet steel 6 that tests the speed is fixed at magnet steel fixing base 5 center, the magnetic encoder reading head 8 through installation on the reading head fixing base 7 reads the rotation speed that the magnet steel 6 tested the speed, the relative photoelectric encoder volume of this magnetic encoder reduces greatly, the relative hall device precision of testing the speed improves greatly, and this magnetic encoder simple to operate, the installation required precision is low, be convenient for install and simplify the debugging process.
The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. A momentum wheel with an encoder is characterized in that: including casing (1), bearing unit (2) are installed to casing (1) inside bottom, bearing unit (2) inner circle is connected with rotation axis (3), rotation axis (3) upper end is provided with magnet steel fixing base (5), bearing unit (2) outer lane is provided with DC brushless motor (4), magnet steel fixing base (5) upper end is provided with speed measurement magnet steel (6), speed measurement magnet steel (6) upside is provided with reading head fixing base (7), reading head fixing base (7) lower extreme is provided with magnetic encoder reading head (8), be connected with reading head lead-out wire (9) on magnetic encoder reading head (8), casing (1) upper end is provided with apron (10).
2. A momentum wheel with an encoder according to claim 1, wherein: the bearing unit (2) is an inner ring rotating bearing, and the outer ring of the bearing unit (2) is in screw connection with the shell (1).
3. A momentum wheel with an encoder according to claim 1, wherein: the magnetic steel fixing seat (5) is coincided with the center of the rotating shaft (3), and the speed measuring magnetic steel (6) is embedded in the center of the magnetic steel fixing seat (5).
4. A momentum wheel with an encoder according to claim 1, wherein: the reading head fixing seat (7) corresponds to the upper center and the lower center of the speed measuring magnetic steel (6).
5. A momentum wheel with an encoder according to claim 1, wherein: and the reading head lead-out wire (9) is welded with the reading head (8) of the magnetic encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221517436.4U CN217931713U (en) | 2022-06-16 | 2022-06-16 | Momentum wheel with encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221517436.4U CN217931713U (en) | 2022-06-16 | 2022-06-16 | Momentum wheel with encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217931713U true CN217931713U (en) | 2022-11-29 |
Family
ID=84181733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221517436.4U Active CN217931713U (en) | 2022-06-16 | 2022-06-16 | Momentum wheel with encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217931713U (en) |
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2022
- 2022-06-16 CN CN202221517436.4U patent/CN217931713U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A momentum wheel with encoder Granted publication date: 20221129 Pledgee: Industrial and Commercial Bank of China Limited Luoyang Pilot Free Trade Zone Branch Pledgor: Luoyang jilinxing Information Technology Co.,Ltd. Registration number: Y2024980006590 |